simple demo server
use a namedtuple to wrap parsed description
ProcessDescription is not namespaced?!
describe process inputs
literal data type: string
define a literal of type integer
echo process for demo app
extract common testing code
describe a complex input
split away a unit test for LiteralInput integer
default complex input type
refactor complex supported test as unit test
demo process accepts complex input
return complex input as StringIO object
preserve mime type of complex input
requirements files
move demo to project root
really count features
demo process that calculates centroids
run from procfile